resource: Add a data resource

This should be the only way data (for images, sounds, maps, your mom,
...) enters the game.

4 files changed, 189 insertions, 0 deletions

diff --git a/libgame/Makefile.am b/libgame/Makefile.am
index b2ceb35..a1fa703 100644
--- a/libgame/Makefile.am
+++ b/libgame/Makefile.am
@@ -21,6 +21,7 @@ libgame_@LIBGAME_VERS@_la_SOURCES =		\
 		game-board.c			\
 		game-colored.c			\
 		game-container.c		\
+		game-data-resource.c		\
 		game-filter.c			\
 		game-game.c			\
 		game-geom-basics.c		\
@@ -58,6 +59,7 @@ basic_headers =					\
 		game-board.h			\
 		game-colored.h			\
 		game-container.h		\
+		game-data-resource.h		\
 		game-filter.h			\
 		game-game.h			\
 		game-geom-basics.h		\
diff --git a/libgame/game-data-resource.c b/libgame/game-data-resource.c
new file mode 100644
index 0000000..86dfcf7
--- /dev/null
+++ b/libgame/game-data-resource.c
@@ -0,0 +1,127 @@
+/*
+ *  Copyright (C) 2011 Benjamin Otte <otte@gnome.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include "game-private.h"
+
+#include "game-data-resource.h"
+
+enum {
+  PROP_0,
+  PROP_DATA,
+  PROP_SIZE
+};
+
+G_DEFINE_ABSTRACT_TYPE (GameDataResource, game_data_resource, GAME_TYPE_RESOURCE)
+
+static void
+game_data_resource_get_property (GObject *object, guint param_id, GValue *value, 
+    GParamSpec * pspec)
+{
+  GameDataResource *resource = GAME_DATA_RESOURCE (object);
+  
+  switch (param_id) {
+    case PROP_DATA:
+      g_value_set_pointer (value, resource->data);
+      break;
+    case PROP_SIZE:
+      g_value_set_ulong (value, resource->size);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+      break;
+  }
+}
+
+static void
+game_data_resource_set_property (GObject *object, guint param_id, const GValue *value,
+    GParamSpec *pspec)
+{
+  switch (param_id) {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+      break;
+  }
+}
+
+static void
+game_data_resource_dispose (GObject *object)
+{
+  GameDataResource *resource = GAME_DATA_RESOURCE (object);
+
+  game_data_resource_set_data (resource, NULL, 0);
+
+  G_OBJECT_CLASS (game_data_resource_parent_class)->dispose (object);
+}
+
+static void
+game_data_resource_class_init (GameDataResourceClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->set_property = game_data_resource_set_property;
+  object_class->get_property = game_data_resource_get_property;
+  object_class->dispose = game_data_resource_dispose;
+  
+  g_object_class_install_property (object_class, PROP_DATA,
+      g_param_spec_object ("data", _("data"), _("data of this resource"),
+	  GAME_TYPE_GAME, G_PARAM_READABLE));
+  g_object_class_install_property (object_class, PROP_SIZE,
+      g_param_spec_ulong ("size", _("size"),
+	  _("size of the given data"),
+	  0, G_MAXULONG, 0, G_PARAM_READABLE));
+
+}
+
+static void
+game_data_resource_init (GameDataResource *resource)
+{
+}
+
+const guchar *
+game_data_resource_get_data (GameDataResource *resource)
+{
+  g_return_val_if_fail (GAME_IS_DATA_RESOURCE (resource), NULL);
+
+  return resource->data;
+}
+
+gsize
+game_data_resource_get_size (GameDataResource *resource)
+{
+  g_return_val_if_fail (GAME_IS_DATA_RESOURCE (resource), 0);
+
+  return resource->size;
+}
+
+void
+game_data_resource_set_data (GameDataResource *resource,
+                             guchar *          data,
+                             gsize             size)
+{
+  g_return_if_fail (GAME_IS_DATA_RESOURCE (resource));
+  g_return_if_fail (size == 0 || data != NULL);
+  g_return_if_fail (data == NULL || size != 0);
+
+  g_free (resource->data);
+  resource->data = data;
+  resource->size = size;
+
+  g_object_notify (G_OBJECT (resource), "data");
+  g_object_notify (G_OBJECT (resource), "size");
+}
+
diff --git a/libgame/game-data-resource.h b/libgame/game-data-resource.h
new file mode 100644
index 0000000..c5b68c5
--- /dev/null
+++ b/libgame/game-data-resource.h
@@ -0,0 +1,59 @@
+/*
+ *  Copyright (C) 2011 Benjamin Otte <otte@gnome.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GAME_DATA_RESOURCE_H__
+#define __GAME_DATA_RESOURCE_H__
+
+#include <libgame/game-resource.h>
+
+G_BEGIN_DECLS
+
+#define GAME_TYPE_DATA_RESOURCE         (game_data_resource_get_type ())
+#define GAME_DATA_RESOURCE(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GAME_TYPE_DATA_RESOURCE, GameDataResource))
+#define GAME_DATA_RESOURCE_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), GAME_TYPE_DATA_RESOURCE, GameDataResourceClass))
+#define GAME_IS_DATA_RESOURCE(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GAME_TYPE_DATA_RESOURCE))
+#define GAME_IS_DATA_RESOURCE_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), GAME_TYPE_DATA_RESOURCE))
+#define GAME_DATA_RESOURCE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GAME_TYPE_DATA_RESOURCE, GameDataResourceClass))
+
+typedef struct _GameDataResource GameDataResource;
+typedef struct _GameDataResourceClass GameDataResourceClass;
+
+struct _GameDataResource {
+  GameResource          resource;
+
+  /*< private >*/
+  guchar *              data;
+  gsize                 size;
+};
+
+struct _GameDataResourceClass {
+  GameResourceClass     resource_class;
+};
+
+GType		game_data_resource_get_type		(void) G_GNUC_CONST;
+
+const guchar *  game_data_resource_get_data             (GameDataResource *   resource);
+gsize           game_data_resource_get_size             (GameDataResource *   resource);
+void            game_data_resource_set_data             (GameDataResource *   resource,
+                                                         guchar *             data,
+                                                         gsize                length);
+
+
+G_END_DECLS
+
+#endif /* __GAME_DATA_RESOURCE_H__ */
diff --git a/libgame/libgame.h b/libgame/libgame.h
index 7fc65c5..3c7c3e2 100644
--- a/libgame/libgame.h
+++ b/libgame/libgame.h
@@ -28,6 +28,7 @@
 #include <libgame/game-board.h>
 #include <libgame/game-colored.h>
 #include <libgame/game-container.h>
+#include <libgame/game-data-resource.h>
 #include <libgame/game-filter.h>
 #include <libgame/game-game.h>
 #include <libgame/game-geom-basics.h>